Finding the Fourth Proportional to 2,150.64, 2,966.49 and 1,818.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.64 : 2,966.49 = 1,818.54 : x
2. Step 2: Convert to fraction form
   2,150.64/2,966.49 = 1,818.54/x
3. Step 3: Cross multiply
   2,150.64x = 2,966.49 × 1,818.54
4. Step 4: Simplify right side
   2,150.64x = 5,394,680.72
5. Step 5: Solve for x
   x = 5,394,680.72/2,150.64
6. Step 6: Final answer
   x = 2,508.41